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Carlentini fire, 28 July 2021 Carlentini

Out · last detection 28 Jul 2021, 12:43 UTC

The fire started on 28 July 2021 in Carlentini, Italy, and satellites saw it burning for 1 day. Copernicus mapped a burnt perimeter of 106 hectares from satellite imagery, spread across a single municipality.

It is the 55th largest in Siracusa since 2016 (of 57 with a page). Number 281 in Italy in 2021, of 291.

The power measured by the satellite is low (13.9 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Compare with…
Burnt area
106ha
Copernicus perimeter
Duration
1day
28 Jul 2021 – 28 Jul 2021
Municipalities hit
1
municipalities
Started on
28 Jul
2021
Heat detections
8
in a single hotspot: 14 MW
Danger at start
39
Very high · FWI index
Average daily power
86MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 28 Jul28 Jul

How it evolved, day by day

28 Jul 2021 · 86 MW · 8

Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.

The weather it burned in

38°high
28km/h · peak gust
26%lowest humidity

It had gone 27 days without rain (1 mm or more) when it started.

This area had burned before

No earlier perimeters overlap this fire since 2016, when the satellite record begins.

What happened to each town

  1. Carlentini 17,040 inhabitants · 7.0 km from the centre where it started
    106 ha reached on 28 Jul
    0.7 %

Burnt area inside each municipality, from crossing the official perimeter with administrative boundaries. The distance runs from the point marking the centre of each area to the nearest fire: staying a kilometre away does not mean it reached the houses.

What burned

  • Agricultural areas92 %
  • Other natural land7.6 %

Land cover inside the perimeter according to Corine Land Cover, as reported by Copernicus.

The weather day by day

ECMWF ERA5 reanalysis at the fire location, the standard reference for past weather, and the Canadian Fire Weather Index (the same system Copernicus uses), computed by WorldFires from that data. Days after the fire run until the first rain.

Open-Meteo.com (CC BY 4.0) · Copernicus Climate Change Service (ERA5)

Day High Min. humidity Peak gust Rain Danger (FWI)
28 Jul 37.8 °C 26 % 28 km/h 0.0 mm Very high 39
29 Jul after 39.4 °C 20 % 20 km/h 0.0 mm Very high 39
30 Jul after 40.4 °C 17 % 51 km/h 0.0 mm Extreme 62
31 Jul after 37.8 °C 25 % 29 km/h 0.0 mm Very high 44
1 Aug after 39.9 °C 23 % 30 km/h 0.0 mm Very high 46
2 Aug after 39.0 °C 26 % 33 km/h 0.0 mm Very high 45
3 Aug after 37.1 °C 30 % 38 km/h 0.0 mm Very high 48
4 Aug after 42.1 °C 16 % 35 km/h 0.0 mm Extreme 50
5 Aug after 39.4 °C 24 % 34 km/h 0.0 mm Very high 49
6 Aug after 35.7 °C 27 % 28 km/h 0.0 mm Very high 42
7 Aug after 34.4 °C 35 % 31 km/h 0.0 mm High 37

Before and after, from space

Drag the line to compare the same ground before the fire and after it.

Before · 21 Jul 2021
After · 4 Aug 2021

If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.

The smoke

CAMS · Copernicus

On 31 July 2021 the air beside the fire reached 27 µg/m³ of PM2.5. That day averaged 23: 1.5 times the WHO daily guideline (15).

PM2.5 peak27 µg/m³
Days over the guideline4 days
PM1056 µg/m³
262728293031
Good Fair Moderate Poor Very poor Extremely poor

Particles from the Copernicus CAMS model at the centre of the perimeter; these are not measurements in each town. The pale bar is the worst hour, the solid one the daily average.

Open-Meteo.com (CC BY 4.0) · Copernicus Atmosphere Monitoring Service (CAMS)

Detections table · 8Every satellite heat detection, one by one, with time, satellite, power and coordinates.
⬇ Download CSV Times in UTC. Each detection is a 375 m pixel: a large fire yields hundreds per pass.
Date and timeSatelliteFRP (MW)LatLon

Other fires nearby

All fires in Italy ›

Frequently asked questions

How long did the Carlentini fire last?
Copernicus dates it between 28 July 2021 and 28 July 2021: 1 day between the first and last image with fire.
How much area did it burn?
The perimeter Copernicus measured from satellite imagery is 106 hectares (1.1 km²). Official national figures may differ.
Which municipalities burned?
The fire only entered Carlentini (106 ha, 0.7 %).
Did the fire reach a town?
The fire started in Carlentini and came within 7.0 km of its centre. That is the distance from the perimeter, or the nearest hotspot, to the point marking the centre; it does not mean it entered the houses.
What was the weather like?
During the fire the temperature reached 37.8 °C, humidity dropped to 26 % and gusts hit 28 km/h. The fire danger index (FWI) reached 39, class Very high.
Where does this data come from?
From the EFFIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Italy (geoBoundaries). It is not an official report.

Where to verify it

A satellite detection is not an official report. Final figures and the fire’s status are published by each country’s emergency service.

Emergency number: 112 · 1515 · Emergency number and official warnings ›

Satellite cross-check

History of this page Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.

No changes since 24 October 2026.

RSS Changes to this page

Does something look wrong on this page?

This page is built from satellite data and official records, and it sometimes gets things wrong: the wrong dates, the wrong town, two fires merged into one, or something that was not a wildfire at all. If you know this fire first-hand (you live nearby, saw it, fought it or reported on it), tell us what really happened and we will check it.

Report an error
What do you think is wrong?

We will only use your email to reply about this report. Privacy. This is not an emergency service: if there is a fire now, call 112 · 1515.

How we know this
  • Perimeter: EFFIS (Copernicus), mapped on satellite imagery.
  • Dates from the perimeter: the VIIRS detections inside it did not change them. 8 Suomi-NPP VIIRS detections on those dates.
  • We have not matched this page with any official record.
  • Weather: Copernicus ERA5 reanalysis at the fire location, in cells of about 25 km.

How we build fire pages: methodology ›

Where this data comes from

The perimeter and land cover come from the Copernicus European Forest Fire Information System (EFFIS), measured on MODIS and Sentinel-2 imagery and published under CC BY 4.0. Heat detections come from the VIIRS sensors aboard Suomi-NPP and NOAA-20, distributed by NASA FIRMS at 375 m resolution. Municipal boundaries come from geoBoundaries ADM4 (Creative Commons Attribution 3.0 License). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ slightly from each country’s official figure.